advair may increase your risk of osteoporosis and some eye problems. tell your doctor if you have a heart condition or high blood pressure before taking advair. if you're still having difficulty breathing, ask your doctor if including advair could help improve your lung function. get your first full prescription free and save on refills at advaircopd.com. >>> officials in los angeles say they have terrifying proof that their gun buyback program was a success. kyung lah is in l.a. what did they find? >> reporter: a lot of weaponry. what we could not find is a police officer who was stunned by this. one of the reasons that they wanted to show off these rocket launchers is that they hope to give americans some pause and some perspective. a rocket launcher, not just one, but two handed over to police in this week's gun buyback day. shocking? not to police who have seen it before. among the roughly 10,000 guns turned in to police by the citizens of los angeles since 2009. >> we look like we're in a third-world nation when you seize all these weapons from in